Detailed Product Description

High solar-thermal conversion and low heat loss

Stable advanced coating up to 380

Long time warranty to 15 years

High level vacuum ensure operation under cold weather

Vacuum Tube technology:

Models 47mm 1500mm 58mm 1800mm

Weight 1.35kg 2.29kg

Structure All-glass-coaxial All-glass-coaxial

Double-layer tubes double-layer tubes

Outer tube diameter 47mm 58mm

Inner tube diameter 37mm 47mm

Outer Tube thickness 1.6mm 1.8mm

Inner tube thickness 1.6mm 1.8mm

Material of coating Al N/Al N-SS/Cu Al N/Al N-SS/Cu

Absorptance 0.94~0.96 0.94~0.96

Emittance 0.04~0.06 0.04~0.06

Vacuum P≤5*10-3pa P≤5*10-3pa

Stagnation temperature 270~300 270~300

(height)

Heat-loss coefficient ≤0.6w/ m2) ≤0.6w/ m2)

Bearing hailstone ability 25mm 25mm

Pressure-endure ability 1MPa 1Mpa